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.btn-primary{flex:1}.btn-directions{border:1.5px solid var(--border-strong);color:var(--text-secondary);cursor:pointer;white-space:nowrap;background:#fff;border-radius:980px;flex-shrink:0;padding:14px 22px;font-family:inherit;font-size:14px;font-weight:700;transition:border-color .15s,background .15s,color .15s}.btn-directions:hover:not(:disabled){background:var(--accent-light);color:var(--accent);border-color:#0071e359}.btn-directions:disabled{opacity:.5;cursor:not-allowed}.brief-event-name-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.brief-merge-badge{letter-spacing:.2px;background:var(--accent-light);color:var(--accent);border-radius:980px;padding:2px 10px;font-size:11px;font-weight:600;display:inline-block}.directions-page{flex-direction:column;gap:24px;display:flex}.directions-toolbar{border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:20px;padding-bottom:24px;display:flex}.directions-toolbar .btn-secondary{flex-shrink:0;width:auto;padding:10px 18px}.directions-lead{color:var(--muted);max-width:560px;margin-top:4px;font-size:15px;line-height:1.55}.picker-hints{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.picker-hint{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);color:var(--text-secondary);align-items:flex-start;gap:12px;padding:14px 16px;font-size:14px;line-height:1.5;display:flex}.picker-hint strong{color:var(--text);font-weight:700}.picker-hint-num{background:var(--accent-light);width:26px;height:26px;color:var(--accent);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:800;display:flex}.picker-grid{grid-template-columns:repeat(3,1fr);align-items:start;gap:16px;display:grid}.direction-card{--direction-accent:var(--accent);--direction-bg:var(--accent-light);background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);cursor:pointer;-webkit-user-select:none;user-select:none;transition:box-shadow .2s,border-color .2s,transform .2s;position:relative;overflow:hidden}.direction-card:hover{border-color:color-mix(in srgb, var(--direction-accent) 35%, var(--border));box-shadow:var(--shadow);transform:translateY(-2px)}.direction-card--selected{border-color:var(--direction-accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--direction-accent) 18%, transparent), var(--shadow)}.direction-card-header{background:linear-gradient(180deg, var(--direction-bg) 0%, var(--bg-elevated) 100%);border-bottom:1px solid var(--border);justify-content:space-between;align-items:flex-start;gap:12px;padding:18px 18px 16px;display:flex}.direction-card-brand{align-items:flex-start;gap:12px;min-width:0;display:flex}.direction-letter{background:var(--direction-bg);width:40px;height:40px;color:var(--direction-accent);border:1.5px solid color-mix(in srgb, var(--direction-accent) 22%, transparent);border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;font-size:18px;font-weight:900;display:flex}.direction-card-titles{flex-direction:column;gap:2px;min-width:0;display:flex}.direction-id{text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-size:10px;font-weight:700}.direction-label{color:var(--text);letter-spacing:-.35px;font-size:17px;font-weight:800;line-height:1.2}.direction-tag{color:var(--muted);margin-top:2px;font-size:12px;line-height:1.45}.direction-select-badge{border:2px solid var(--border-strong);width:28px;height:28px;color:var(--muted);background:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:800;transition:background .15s,border-color .15s,color .15s,transform .15s;display:flex}.direction-select-badge--active{background:var(--direction-accent);border-color:var(--direction-accent);color:#fff;transform:scale(1.05)}.direction-card-body{flex-direction:column;gap:16px;padding:16px 18px 20px;display:flex}.direction-preview-block{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);flex-direction:column;gap:10px;padding:14px;display:flex}.direction-preview-head{align-items:center;gap:10px;display:flex}.direction-preview-title{letter-spacing:-.15px;color:var(--text);font-size:12px;font-weight:800}.direction-concept{color:var(--text-secondary);margin:0;font-size:14px;line-height:1.6}.direction-keywords{flex-wrap:wrap;gap:6px;display:flex}.direction-copy-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px}.direction-tagline{color:var(--text);letter-spacing:-.2px;margin:4px 0 0;font-size:15px;font-weight:700;line-height:1.4}.direction-body-angle{color:var(--muted);margin:0;font-size:13px;line-height:1.55}.direction-card .palette-wrapper{gap:12px}.direction-card .swatches{gap:10px}.direction-card .swatch{border-radius:12px;width:52px;height:52px}.direction-card .swatch-label,.direction-card .swatch-hex{font-size:10px}.direction-card .palette-rationale{padding:10px 12px;font-size:12px;line-height:1.5}.picker-action-bar{z-index:200;pointer-events:none;width:100%;max-width:640px;padding:0 24px;transition:bottom .32s cubic-bezier(.34,1.4,.64,1);position:fixed;bottom:-140px;left:50%;transform:translate(-50%)}.picker-action-bar--visible{pointer-events:all;bottom:28px}.picker-action-inner{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);flex-direction:column;gap:10px;padding:16px 20px;display:flex}.picker-action-content{justify-content:space-between;align-items:center;gap:16px;display:flex}.picker-action-hint{color:var(--muted);font-size:14px;line-height:1.45}.picker-action-hint strong{color:var(--text)}.picker-action-btn{white-space:nowrap;flex-shrink:0;width:auto!important;padding:11px 22px!important;font-size:14px!important}.picker-merge-btn{align-items:center;gap:8px;display:flex;background:var(--text)!important}.picker-merge-btn:hover:not(:disabled){background:#2d2d2f!important;box-shadow:0 4px 14px #00000040!important}.tone-panel{padding:22px 22px 20px}.tone-panel-header{border-bottom:1px solid var(--border);align-items:flex-start;gap:12px;margin-bottom:20px;padding-bottom:16px;display:flex}.tone-panel-icon{background:var(--accent-light);width:36px;height:36px;color:var(--accent);border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;font-size:16px;display:flex}.tone-panel-title{color:var(--text);letter-spacing:-.2px;font-size:15px;font-weight:800;display:block}.tone-panel-hint{color:var(--muted);margin-top:2px;font-size:12px;display:block}.tone-sliders{flex-direction:column;gap:18px;display:flex}.tone-row{flex-direction:column;gap:8px;display:flex}.tone-row-head{justify-content:space-between;align-items:center;gap:8px;display:flex}.tone-label{color:var(--text);font-size:13px;font-weight:700}.tone-value{color:var(--accent);background:var(--accent-light);border-radius:980px;padding:3px 10px;font-size:11px;font-weight:700}.tone-slider-group{align-items:center;gap:10px;display:flex}.tone-endpoint{color:var(--muted-light);flex-shrink:0;width:52px;font-size:10px;font-weight:600}.tone-endpoint--right{text-align:right}.tone-slider{height:6px;accent-color:var(--accent);cursor:pointer;flex:1}.history-panel{padding:22px 22px 20px}.history-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:flex-start;margin-bottom:14px;padding-bottom:12px;display:flex}.history-title{color:var(--text);letter-spacing:-.2px;font-size:15px;font-weight:800;display:block}.history-sub{color:var(--muted);margin-top:2px;font-size:12px;display:block}.history-count{color:var(--accent);background:var(--accent-light);border-radius:980px;justify-content:center;align-items:center;min-width:28px;height:28px;padding:0 8px;font-size:12px;font-weight:700;display:inline-flex}.history-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.history-item{border-radius:var(--radius);background:var(--bg);border:1px solid var(--border);align-items:stretch;transition:border-color .15s,box-shadow .15s;display:flex;overflow:hidden}.history-item:hover{box-shadow:var(--shadow-sm);border-color:#0071e340}.history-restore-btn{text-align:left;cursor:pointer;border-radius:var(--radius);background:0 0;border:none;flex-direction:column;flex:1;gap:2px;padding:10px 14px;font-family:inherit;transition:background .15s;display:flex}.history-restore-btn:hover{background:var(--accent-light)}.history-event-name{color:var(--text);letter-spacing:-.1px;font-size:13px;font-weight:600}.history-meta{color:var(--muted);font-size:11px}.history-delete-btn{color:var(--muted-light);cursor:pointer;background:0 0;border:none;flex-shrink:0;padding:8px 14px;font-size:16px;line-height:1;transition:color .15s}.history-delete-btn:hover{color:var(--danger)}@media (width<=640px){:root{--layout-gutter:20px}.hero-section{padding:56px 24px 64px}.how-section{padding:56px 24px}.hero-footer-cta{padding:64px 24px}.app-container{padding:24px var(--layout-gutter) 80px}.app-workspace{grid-template-columns:1fr}.form-wrapper{padding:22px 18px 18px}.btn-secondary{text-align:center;justify-content:center;width:100%}.field-grid{grid-template-columns:1fr}.field--span-2,.field--full{grid-column:1}.brief-toolbar,.directions-toolbar{flex-direction:column;align-items:flex-start}.picker-hints{grid-template-columns:1fr}.picker-action-content{text-align:center;flex-direction:column;align-items:stretch}.picker-action-btn{width:100%!important}.logistics-row{flex-direction:column;gap:4px}.logistics-label{min-width:unset}.tone-row{flex-direction:column;align-items:flex-start;gap:6px}.tone-slider-group{width:100%}.how-steps{grid-template-columns:repeat(2,1fr);gap:16px}.picker-grid{grid-template-columns:1fr}.app-container--wide{padding:32px 16px 80px}.picker-action-bar--visible{bottom:16px}.form-submit-row{flex-direction:column}.btn-directions{text-align:center}}@media (width<=480px){.how-steps{grid-template-columns:1fr}}.toast{z-index:9999;border-radius:10px;padding:12px 20px;font-size:14px;font-weight:500;animation:.25s toast-in;position:fixed;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 8px 24px #0000001f}.toast--success{color:#065f46;background:#ecfdf5;border:1px solid #a7f3d0}.toast--error{color:#991b1b;background:#fef2f2;border:1px solid #fecaca}.toast--info{color:#1e40af;background:#eff6ff;border:1px solid #bfdbfe}@keyframes toast-in{0%{opacity:0;transform:translate(-50%)translateY(12px)}to{opacity:1;transform:translate(-50%)translateY(0)}}.error-boundary{text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);margin:24px 0;padding:48px 24px}.error-boundary h2{margin:0 0 8px;font-size:18px}.error-boundary-detail{color:var(--text-muted);margin:0 0 20px;font-size:14px}.api-keys-panel{overflow:hidden}.api-keys-toggle{cursor:pointer;width:100%;font:inherit;color:var(--text);text-align:left;background:0 0;border:none;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px;font-weight:600;display:flex}.api-keys-toggle-hint{color:var(--muted);font-size:12px;font-weight:500}.api-keys-body{border-top:1px solid var(--border);padding:0 18px 18px}.api-keys-desc{color:var(--muted);margin:14px 0 16px;font-size:13px;line-height:1.55}.api-keys-switch{cursor:pointer;align-items:center;gap:10px;margin-bottom:16px;font-size:14px;font-weight:500;display:flex}.api-keys-fields{gap:14px;display:grid}.api-keys-actions{margin-top:16px}